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Cheap flights from Ireland to California from £284

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to California

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to California
Explore the most affordable flight options available from Ireland to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Mon 4/509:30
DUB
-
LAX
1 stop16h 52m
Multiple Airlines
Tue 26/520:50
LAX
-
DUB
1 stop14h 00m
Multiple Airlines
Deal found 16/4£430
Mon 18/519:05
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Thu 24/916:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 16/4£433
Fri 22/509:40
DUB
-
LAX
1 stop15h 30m
Multiple Airlines
Tue 2/618:05
LAX
-
DUB
1 stop14h 55m
Multiple Airlines
Deal found 16/4£435
Fri 24/409:30
DUB
-
SFO
1 stop17h 45m
Finnair
Wed 6/508:00
SFO
-
DUB
1 stop17h 45m
Finnair
Deal found 13/4£435
Fri 1/509:30
DUB
-
SFO
1 stop17h 45m
Finnair
Mon 4/508:00
SFO
-
DUB
1 stop17h 45m
Finnair
Deal found 13/4£436
Tue 17/1119:05
DUB
-
SFO
1 stop27h 30m
Scandinavian Airlines
Wed 2/1216:40
SFO
-
DUB
2 stops33h 20m
Scandinavian Airlines
Deal found 16/4£437
Fri 22/509:40
DUB
-
LAX
1 stop15h 30m
Finnair
Tue 2/613:21
LAX
-
DUB
1 stop14h 29m
Finnair
Deal found 13/4£438
Wed 27/509:40
DUB
-
LAX
1 stop15h 30m
Finnair
Wed 3/610:30
LAX
-
DUB
1 stop15h 15m
Finnair
Deal found 12/4£441
Sat 25/409:30
DUB
-
LAX
1 stop16h 52m
Multiple Airlines
Fri 8/518:00
LAX
-
DUB
1 stop15h 50m
Multiple Airlines
Deal found 14/4£441
Thu 3/919:05
DUB
-
SFO
1 stop27h 35m
Scandinavian Airlines
Mon 28/916:45
SFO
-
DUB
1 stop17h 35m
Scandinavian Airlines
Deal found 15/4£441
Thu 14/509:30
DUB
-
LAS
1 stop21h 38m
Multiple Airlines
Wed 27/522:10
LAS
-
DUB
1 stop13h 20m
Multiple Airlines
Deal found 14/4£441
Sun 3/509:30
DUB
-
LAX
1 stop16h 52m
Multiple Airlines
Mon 18/520:20
LAX
-
DUB
1 stop15h 15m
Multiple Airlines
Deal found 12/4£442

Find flight deals from Ireland to California

Keep the following information in mind while searching for Ireland to California flight deals. Data was last updated 17 April 2026.

Round-trip from

£430

One-way from

£284

Popular in

July

Cheapest in

January

Average price

£524

Good round-trip deal

£439 or less

Good one-way deal

£573 or less
4/5-26/5
  • 4/5-26/5
  • 2 total stops
  • 30h 52m total
  • Ireland to California
Search Deals
JetBlue
  • JetBlue
  • 9/6
  • 1 total stop
  • 15h 37m total
  • Ireland to California
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£77 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Ireland to California.
Search Deals
Price to beat on a one-way flight from Ireland to California.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from Ireland to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Mon 7/9

20:30-20:00

1 stop31h 30m

Las Vegas Harry Reid Intl

Sun 13/9

11:47-12:05

2 stops16h 18m

£444

DublinLos Angeles

DUB - LAX

DUBLAX

Dublin

Thu 21/5

20:20-18:15

1 stop29h 55m

Los Angeles Los Angeles

Mon 25/5

20:50-18:40

1 stop13h 50m

£445

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 2/9

09:40-22:49

2 stops21h 09m

Las Vegas Harry Reid Intl

Wed 16/9

10:44-09:45

1 stop15h 01m

£446

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Fri 4/9

10:30-20:49

2 stops18h 19m

Las Vegas Harry Reid Intl

Wed 9/9

14:33-18:00

2 stops19h 27m

£448

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 6/9

08:35-20:49

2 stops20h 14m

Las Vegas Harry Reid Intl

Sat 12/9

11:47-12:00

2 stops16h 13m

£448

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Sun 6/9

10:30-20:49

2 stops18h 19m

Las Vegas Harry Reid Intl

Sun 13/9

11:47-12:05

2 stops16h 18m

£448

DublinLas Vegas

DUB - LAS

DUBLAS

Dublin

Wed 16/9

12:40-18:39

1 stop13h 59m

Las Vegas Harry Reid Intl

Wed 30/9

10:44-09:45

1 stop15h 01m

£454

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Fri 22/5

19:05-14:40

1 stop27h 35m

San Francisco

Sat 29/8

16:45-11:50

1 stop35h 05m

£460

DublinSanta Ana

DUB - SNA

DUBSNA

Dublin

Fri 29/5

11:45-20:05

1 stop16h 20m

Santa Ana J. Wayne/Orange Cnty

Fri 5/6

15:11-11:50

1 stop12h 39m

£464

DublinSan Francisco

DUB - SFO

DUBSFO

Dublin

Tue 28/4

09:30-19:15

1 stop17h 45m

San Francisco

Tue 12/5

08:00-09:45

1 stop17h 45m

£465

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ireland to California

Have a flexible travel schedule? Discover the best time to fly to California from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to California

What is the cheapest month to book a flight from Ireland to California?

Currently, October is the cheapest month in which you can book a flight from Ireland to California (average of £210). Flying from Ireland to California in July is currently the most expensive (average of £492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to CA?

Find hourly flight availability from Ireland to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2026.

When flying from Ireland to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated 17 April 2026.
Read reviews from past customers who have flown with United Airlines,Aer Lingus, andScandinavian Airlines from Ireland to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,601 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,601 reviews
United Airlines
7.4
Good
9,601 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Aer Lingus
7.3
Good
1,512 reviews
United Airlines
7.4
Good
9,601 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Scandinavian Airlines
7.3
Good
1,750 reviews
United Airlines
7.4
Good
9,601 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,932 reviews
United Airlines
7.4
Good
9,601 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,889 reviews
United Airlines
7.4
Good
9,601 reviews
Check prices

Overall

7.4

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Ireland to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to California flight route?

    The Ireland to California flight path was viewed by 195 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ireland to California?

    For as low as £446, British Airways can have you in California from Ireland in 21h 09m. The distance between Ireland and California is about 4938 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Ireland to California that include hotel bookings?

    Yes. In addition to deals on Ireland to California flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to California.

  • Can I find deals for business class flights from Ireland to California?

    Yes. Cheapflights offers flight deals from Ireland to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to California?

    Currently, October is the cheapest month in which you can book a flight from Ireland to California (average of £210). Flying from Ireland to California in July is currently the most expensive (average of £492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Ireland to California

Discover the top 10 airlines that operate flights from Ireland to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£312Average£395FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£315Average£334FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£368Average£530FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£380Average£547FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£385Average£454FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£392Average£507FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£403Average£550FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£403Average£584FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air FranceCheapest£409Average£575FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£435Average£618FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to California?

Cheapflights makes it easy to find Ireland to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ireland to California?

Cheapflights helps you find that perfect flight to California from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to California with no change fees?

Certainly. Search results for flights to California from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to California become cheaper?

Yes, Cheapflights offers price alerts on Ireland to California flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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